Malicious PDF — malware analysis report

Static analysis result for SHA-256 9903ffa54aaae862…

MALICIOUS

PDF

139.7 KB Created: 2020-08-21 01:14:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fea9eec515f31d8477807f7a90e5b2c2 SHA-1: 58719a065fe8faa68e4cfc7665310bdd134fb6b2 SHA-256: 9903ffa54aaae8620c2cccd40b365376a330a8607466605b37c1436d183032f8
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to a redirector service. The primary malicious URL, 'https://ttraff.cc/pify?keyword=amsterdam+map+pdf', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains references to the malicious URL, reinforcing the lure.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=amsterdam+map+pdf
    • http://dujix.focusonyou-online.net/uploads/1/3/1/4/131453870/tatalapofexog.pdf
    • http://files.lighthousepointplymouth.com/uploads/1/3/1/3/131398236/daviwetowodomaki.pdf
    • https://cdn.shopify.com/s/files/1/0433/4066/0891/files/rifudatezirezonogofutow.pdf
    • https://cdn.shopify.com/s/files/1/0440/6237/6088/files/lagu_dj_better_half_of_me.pdf
    • https://cdn.shopify.com/s/files/1/0429/6481/1927/files/playboy_magazine_values.pdf
    • https://cdn.shopify.com/s/files/1/0429/2562/1404/files/cuisinart_dcc_1200_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/3950/7100/files/35034730091.pdf
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/epigenetica_y_cancer.pdf
    • https://cdn.shopify.com/s/files/1/0438/0003/5485/files/top_10_android_cell_phones_2019.pdf
    • https://cdn.shopify.com/s/files/1/0434/4184/8470/files/3d_in_powerpoint.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001e11b.bin
1fe6b2c3d9af0b7e2616d0175cfc939eae431ca4a7d644a6a372ed44c90a687b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E11B 5144 bytes
font_01_sfnt_off0001f27f.bin
8d810b3da5ec26482add356fc683f4be286b49a4b07dc066c301120a3e74b6e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F27F 15244 bytes

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